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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Serazutdinov M.N. – doctor of physical and mathematical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Ubaidulloyev M.N. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan National Research Technological University The organization address: 420015, Russia, Kazan, K. Marks st., 68
Title of the articleCalculation of rod structures from reinforcing and ideally elastic-plastic materials
Abstract.Problem statement. The purpose of this work is the development of a variational method for calculating a rod structure taking into account plastic deformations. It is assumed that when the rods are deformed, the relationship between the normal stresses and the longitudinal deformation of a rod is described by the diagram of a linearly strengthening body. Results. A variational method has been developed for calculating the rod structures from a reinforcing and ideally elastic-plastic material. The presented calculation technique is based on the separation of longitudinal deformation of a rod into two parts: elastic and plastic. The advantages of this approach consist in the fact that it is possible to carry out calculations for rod structures from a reinforced and ideal elastic-plastic material according to a single scheme. In particular, these advantages are manifested when determining the ultimate load for a system of perfectly elasto-plastic material. Conclusions. Using the described technique, various problems of bending and stretching-compression of rods for elasto-plastic deformations were solved. In this article presents the results of calculations of a statically indeterminate rod system. The obtained calculated data are in good agreement with known analytical solutions.
Keywords.rod structures, variational method, elasto-plastic deformations, ultimate load.
For citations:Serazutdinov M.N., Ubaidulloyev M.N. Calculation of rod structures from reinforcing and ideally elastic-plastic materials // Izvestiya KGASU. 2017. №2(40) P.124-130.


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